Finding the Fourth Proportional to 168,036.27, 252,054.41 and 138,334.99
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Solution
The fourth proportional to 168,036.27, 252,054.41 and 138,334.99 is: 207,502.49
Step by Step Solution
- Step 1: Write the proportion equation
168,036.27 : 252,054.41 = 138,334.99 : x - Step 2: Convert to fraction form
168,036.27/252,054.41 = 138,334.99/x - Step 3: Cross multiply
168,036.27x = 252,054.41 × 138,334.99 - Step 4: Simplify right side
168,036.27x = 34,867,944,286.81 - Step 5: Solve for x
x = 34,867,944,286.81/168,036.27 - Step 6: Final answer
x = 207,502.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.